<template>
    <div class="login-container">
        <!-- 登录框区域 -->
        <div class="login-box">
            <!-- 登录头像区域 -->
            <div class="avatar-box">
                <img src="../assets/logo.png" alt="">
            </div>
            <!-- 登录表单区域 -->
            <el-form ref="loginFormRef" :model="loginForm" :rules="loginFormRules" class="login-form">
                <!-- 姓名 -->
                <el-form-item prop="username">
                  <el-input v-model="loginForm.username"></el-input>
                </el-form-item>
                <!-- 密码 -->
                <el-form-item prop="password">
                  <el-input v-model="loginForm.password" type="password"></el-input>
                </el-form-item>
                <!-- 按钮 -->
                <el-form-item class="btns">
                  <el-button type="primary" @click="login">登录</el-button>
                  <el-button type="info" @click="resetloginForm">重置</el-button>
                </el-form-item>
            </el-form>
        </div>
    </div>
</template>

<script>
export default {
  data () {
    return {
    // 登录表单数据的绑定对象
      loginForm: {
        username: 'admin',
        password: '123456'
      },
      loginFormRules: {
        username: [
          { required: true, message: '请输入用户名称', trigger: 'blur' },
          { min: 3, max: 12, message: '长度在 3 到 12 个字符', trigger: 'blur' }
        ],
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' },
          { min: 3, max: 18, message: '长度在 3 到 18 个字符', trigger: 'blur' }
        ]
      }
    }
  },
  methods: {
    resetloginForm () {
      // console.log(this)
      this.$refs.loginFormRef.resetFields()
    },
    login () {
      this.$refs.loginFormRef.validate(async valid => {
        // console.log(valid)
        if (!valid) return
        const { data: res } = await this.$http.post('login', this.loginForm)
        if (res.meta.status !== 200) return this.$message.error('登录失败')
        this.$message.success('登录成功')
        // console.log(res)
        window.sessionStorage.setItem('token', res.data.token)
        this.$router.push('/home')
      })
    }
  }
}
</script>

<style lang="less" scoped>
.login-container {
    background-color: #2b4b6b;
    height: 100%;
    .login-box {
        width: 450px;
        height: 300px;
        background-color: #fff;
        position: absolute;
        left: 50%;
        top: 50%;
        transform: translate(-50%, -50%);
        .avatar-box {
            height: 100px;
            width: 100px;
            border: 1px solid #eee;
            border-radius: 50%;
            padding: 5px;
            position: absolute;
            left: 50%;
            transform: translate(-50%, -50%);
            background-color: #fff;
            box-shadow: 0 0 3px #ddd;
            img {
                width: 100%;
                height: 100%;
                border-radius: 50%;
                background-color: #eee;
            }
        }
        .login-form {
            position: absolute;
            bottom: 0;
            width: 100%;
            padding: 10px 20px;
            box-sizing: border-box;
        }
        .btns {
            display: flex;
            justify-content: flex-end;
        }
    }
}
</style>
